Area Code +30-21-(77130000...77139999) located in Athens, Attiki (A1), more detail is as below. Place International Dialing Code : 30 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 77130000 Subscriber Number To : 77139999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : VOICENET Click here to buy Greece Area Code Database Other Information Language Code : el (Greek) Country Number : 300 (Greece) Country Code : GR (Greece) Region Code : A1 Region Name : Attiki City : Athens Timezone : Europe/Athens Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 37.9800 Longitude : 23.7200 ‹ previous : +30-21-(77120000...77129999) next › : +30-21-(77140000...77149999) Dialling Instructions For trunk calls: - 21 77130000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 30 21 77130000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 77130000 ~ 77139999 (Count: 10,000) Example: +30-21-77130000 / 0030-21-77130000 (021-77130000 / 0-21-77130000) +30-21-77130001 / 0030-21-77130001 (021-77130001 / 0-21-77130001) +30-21-77130002 / 0030-21-77130002 (021-77130002 / 0-21-77130002) +30-21-77130003 / 0030-21-77130003 (021-77130003 / 0-21-77130003) +30-21-77130004 / 0030-21-77130004 (021-77130004 / 0-21-77130004) ...+30-21-xxxxxxxx / 0030-21-xxxxxxxx (021-xxxxxxxx / 0-21-xxxxxxxx) ...+30-21-77139995 / 0030-21-77139995 (021-77139995 / 0-21-77139995) +30-21-77139996 / 0030-21-77139996 (021-77139996 / 0-21-77139996) +30-21-77139997 / 0030-21-77139997 (021-77139997 / 0-21-77139997) +30-21-77139998 / 0030-21-77139998 (021-77139998 / 0-21-77139998) +30-21-77139999 / 0030-21-77139999 (021-77139999 / 0-21-77139999)